CN208108995U - A pole parallelism detection device for a cylindrical cell - Google Patents

Abstract

the utility model relates to a post depth of parallelism detection device of cylinder electricity core, including the layer board and with the layer board cooperation realize gliding support from top to bottom, the layer board includes the bottom plate that the level set up, the support include with bottom plate parallel arrangement's roof, distance between bottom plate and the roof is adjustable, be equipped with on the bottom plate with electric core post assorted recess, be equipped with on the roof with the V type groove that the recess parallels, the notch in V type groove is greater than electric core post, and the central line in V type groove with the central line of recess coincides mutually, place one side post of cylinder electricity core in the recess of L type layer board bottom during the use, perpendicular electric core and level are inwards removed, can move smoothly naturally to the combination check line position according to upper end electricity core post and judge whether this cylinder electricity core's post depth of parallelism reaches the technological requirement, the utility model discloses simple structure, convenient to use, occupation space is little, has improved the detection efficiency of battery post depth of parallelism.

Description

A pole parallelism detection device for a cylindrical cell

technical field

The utility model relates to a detection device for poles of electric cores, in particular to a detection device for the parallelism of poles of cylindrical electric cores.

Background technique

Lithium batteries have significant advantages such as high working voltage, high energy density, long service life, energy saving and environmental protection, low self-discharge rate and no memory effect. They have become a high-end industry in the field of power and energy storage. They are widely used in electric vehicles and energy storage equipment and other industries. At present, the manufacturing process of PACK in the new energy industry is in a state of rapid development, and the processes of different shapes of batteries are different. The cylindrical battery PACK assembly process is divided into: battery incoming inspection, battery processing, binning, matching, module fastening, cleaning, welding, module boxing, connectors, etc. The front and rear processes are closely integrated, and the inspection of incoming battery materials includes: appearance inspection, OCV inspection, etc., and the appearance inspection content includes cylindrical side shells, cylindrical surfaces at both ends, liquid injection holes, explosion-proof valves, and parallelism of poles, etc. . In the manufacturing process of cylindrical cells, the relative parallelism of the poles at both ends directly affects the laser cleaning and laser welding in the subsequent processes. When the parallelism of the poles of the cylindrical battery cell is poor, the battery cell is assembled, put into the box body, and finally sealed with the cover bolts and tightened, it is easy to jack up the contact part of the module box and the two ends of the battery cell, directly causing the module The surface of the box is not even, which will affect the effect of post-process cleaning and welding. The device has a reasonable structure and is easy to use. It can quickly detect the parallelism of the poles of the cylindrical cells, eliminate NG products (rework), reduce the rework rate of bad welding caused by the parallelism of the poles, and improve production efficiency.

Utility model content

The purpose of this utility model is to provide a pole parallelism detection device for cylindrical batteries, which can quickly detect cylindrical batteries with poor parallelism of poles, and prevent such batteries from flowing into subsequent processes, causing damage to laser cleaning, welding and other processes. Adverse effects, improve the production efficiency of cylindrical batteries.

In order to achieve the above object, the utility model adopts the following technical solutions:

A pole parallelism detection device for a cylindrical battery cell, comprising a support plate and a support that cooperates with the support plate to slide up and down, the support plate includes a horizontally arranged bottom plate, and the support includes a top plate arranged parallel to the bottom plate, The distance between the bottom plate and the top plate is adjustable, the bottom plate is provided with a groove matching the battery pole, the top plate is provided with a V-shaped groove parallel to the groove, and the V The notch of the shaped groove is larger than the pole of the electric core, and the centerline of the V-shaped groove coincides with the centerline of the groove.

As a further improvement of the above technical solution:

The opening of the V-shaped groove is uniformly narrowed and extended inwardly from the edge of the top plate, and the angle formed by the V-shaped groove is smaller than the size of the battery pole.

The supporting plate is L-shaped as a whole, including a horizontally arranged bottom plate and a vertical plate vertically arranged on the bottom plate. The connecting plate is slidably connected with the vertical plate through the mounting groove.

The connecting plate and the vertical plate are fixed by bolts.

It can be seen from the above technical solution that the pole parallelism detection device described in the utility model has a simple structure, is convenient to use, and occupies a small space. The utility model is easy to debug, only needs to be marked qualified according to the process requirements and the height line is adjusted for the first time. When in use, one pole of the battery cell can be directly placed in the groove of the L-shaped support plate, and the hand-held battery cell slides inward naturally. Observe the position of the natural sliding, when it can reach the qualified line, it is judged as "OK", otherwise it is judged as "NG".

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the utility model when it is installed in cooperation with the electric core.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, the pole parallelism detection device of the cylindrical cell of this embodiment includes a supporting plate 1 and a bracket 2 that cooperates with the supporting plate 1 to realize sliding up and down. It includes a top plate 21 arranged parallel to the bottom plate 11. The distance between the bottom plate 11 and the top plate 21 is adjustable through the sliding fit of the support 1 and the bracket 2. The bottom plate 11 is provided with a groove 12 that matches the pole of the battery. , the top plate 21 is provided with a V-shaped groove 22 parallel to the groove 12, the notch of the V-shaped groove 22 is larger than the battery pole, and the center line of the V-shaped groove 22 coincides with the center line of the groove 12, the The opening of the V-shaped groove 22 is uniformly narrowed and extended inwardly from the edge of the top plate 21 , and the angle formed by the V-shaped groove 22 is smaller than the size of the battery pole.

In actual use, a qualified line is provided on the V-shaped groove 22, and the qualified line is generally set in the middle of the V-shaped groove 22, and the size of the middle of the V-shaped groove 22 matches the size of the battery pole.

In this embodiment, the supporting plate 1 is L-shaped as a whole, including a horizontally arranged base plate 11 and a vertical plate 13 vertically arranged on the base plate 11. The connecting plate 23 on the lower side is provided with a mounting groove 14 for installing the connecting plate 23 on the vertical plate 13, and the connecting plate 23 is slidably connected with the vertical plate 13 through the mounting groove 14, in order to facilitate the adjustment of the distance between the bottom plate 11 and the top plate 21 Fixing, the connecting plate 23 is provided with bolts 3, the bolts 3 pass through the slotted holes on both sides of the mounting groove 14, and the fixing of the connecting plate 23 and the vertical plate 13 is realized by the nuts fixed on the outside of the slotted holes.

When in use, adjust the height of the L-shaped bracket 2 according to the height of the cylindrical cell 7 to be detected; fasten the bolt 3 to fix the L-shaped bracket 2; take the cylindrical cell 7 to be detected, and place the pole at any end in the groove 12; perpendicular to the cylindrical cell 7 to be tested, put the other pole into the V-shaped groove 22; slide inward naturally in parallel, observe the position; judge "OK" or "NG".

The utility model calculates the position of the allowable interval distance according to the required degree through the parallelism required by the process, and marks it as a qualified scale line, adjusts the height of the bracket to be equal to the side of the battery core, and places one side of the cylindrical battery core The pole is placed in the groove at the bottom of the L-shaped support plate, and the battery is vertical and moved horizontally inward. According to whether the pole of the upper battery can move naturally and smoothly to the position of the qualified line, it is judged whether the parallelism of the pole of the cylindrical battery is Meet the process requirements.

The above-mentioned embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the utility model.

Claims (4)

1. A pole parallelism detection device for a cylindrical cell, characterized in that it includes a supporting plate (1) and a bracket (2) that cooperates with the supporting plate (1) to slide up and down, and the supporting plate (1) includes A bottom plate (11) arranged horizontally, the bracket (2) includes a top plate (21) arranged parallel to the bottom plate (11), the distance between the bottom plate (11) and the top plate (21) is adjustable, the The bottom plate (11) is provided with a groove (12) matching the battery pole, and the top plate (21) is provided with a V-shaped groove (22) parallel to the groove (12). The notch of the V-shaped groove (22) is larger than the battery pole, and the center line of the V-shaped groove (22) coincides with the center line of the groove (12). 2. The pole parallelism detection device for cylindrical cells according to claim 1, characterized in that: the opening of the V-shaped groove (22) is uniformly reduced and extended inward from the edge of the top plate (21), and the V-shaped The included angle formed by the groove (22) is smaller than the size of the battery pole. 3. The pole parallelism detection device for cylindrical cells according to claim 1 or 2, characterized in that: the supporting plate (1) is L-shaped as a whole, including a horizontally arranged bottom plate (11) and a vertically arranged The vertical plate (13) on the bottom plate (11), the support (2) includes a horizontally arranged top plate (21) and a connecting plate (23) vertically arranged on the lower side of the top plate (21), the vertical plate (13) A mounting groove (14) for mounting the connecting plate (23) is provided on the top, and the connecting plate (23) is slidably connected with the vertical plate (13) through the mounting groove (14). 4 . The pole parallelism detection device for cylindrical cells according to claim 3 , characterized in that: the connecting plate ( 23 ) and the vertical plate ( 13 ) are fixed by bolts ( 3 ).